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Merge remote-tracking branch 'mkp-scsi/4.5/scsi-fixes' into fixes
[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / ipr.h
1 /*
2 * ipr.h -- driver for IBM Power Linux RAID adapters
3 *
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5 *
6 * Copyright (C) 2003, 2004 IBM Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
24 */
25
26 #ifndef _IPR_H
27 #define _IPR_H
28
29 #include <asm/unaligned.h>
30 #include <linux/types.h>
31 #include <linux/completion.h>
32 #include <linux/libata.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/irq_poll.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_cmnd.h>
38
39 /*
40 * Literals
41 */
42 #define IPR_DRIVER_VERSION "2.6.3"
43 #define IPR_DRIVER_DATE "(October 17, 2015)"
44
45 /*
46 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
47 * ops per device for devices not running tagged command queuing.
48 * This can be adjusted at runtime through sysfs device attributes.
49 */
50 #define IPR_MAX_CMD_PER_LUN 6
51 #define IPR_MAX_CMD_PER_ATA_LUN 1
52
53 /*
54 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
55 * ops the mid-layer can send to the adapter.
56 */
57 #define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
58
59 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
60
61 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
62 #define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
63
64 #define IPR_SUBS_DEV_ID_2780 0x0264
65 #define IPR_SUBS_DEV_ID_5702 0x0266
66 #define IPR_SUBS_DEV_ID_5703 0x0278
67 #define IPR_SUBS_DEV_ID_572E 0x028D
68 #define IPR_SUBS_DEV_ID_573E 0x02D3
69 #define IPR_SUBS_DEV_ID_573D 0x02D4
70 #define IPR_SUBS_DEV_ID_571A 0x02C0
71 #define IPR_SUBS_DEV_ID_571B 0x02BE
72 #define IPR_SUBS_DEV_ID_571E 0x02BF
73 #define IPR_SUBS_DEV_ID_571F 0x02D5
74 #define IPR_SUBS_DEV_ID_572A 0x02C1
75 #define IPR_SUBS_DEV_ID_572B 0x02C2
76 #define IPR_SUBS_DEV_ID_572F 0x02C3
77 #define IPR_SUBS_DEV_ID_574E 0x030A
78 #define IPR_SUBS_DEV_ID_575B 0x030D
79 #define IPR_SUBS_DEV_ID_575C 0x0338
80 #define IPR_SUBS_DEV_ID_57B3 0x033A
81 #define IPR_SUBS_DEV_ID_57B7 0x0360
82 #define IPR_SUBS_DEV_ID_57B8 0x02C2
83
84 #define IPR_SUBS_DEV_ID_57B4 0x033B
85 #define IPR_SUBS_DEV_ID_57B2 0x035F
86 #define IPR_SUBS_DEV_ID_57C0 0x0352
87 #define IPR_SUBS_DEV_ID_57C3 0x0353
88 #define IPR_SUBS_DEV_ID_57C4 0x0354
89 #define IPR_SUBS_DEV_ID_57C6 0x0357
90 #define IPR_SUBS_DEV_ID_57CC 0x035C
91
92 #define IPR_SUBS_DEV_ID_57B5 0x033C
93 #define IPR_SUBS_DEV_ID_57CE 0x035E
94 #define IPR_SUBS_DEV_ID_57B1 0x0355
95
96 #define IPR_SUBS_DEV_ID_574D 0x0356
97 #define IPR_SUBS_DEV_ID_57C8 0x035D
98
99 #define IPR_SUBS_DEV_ID_57D5 0x03FB
100 #define IPR_SUBS_DEV_ID_57D6 0x03FC
101 #define IPR_SUBS_DEV_ID_57D7 0x03FF
102 #define IPR_SUBS_DEV_ID_57D8 0x03FE
103 #define IPR_SUBS_DEV_ID_57D9 0x046D
104 #define IPR_SUBS_DEV_ID_57DA 0x04CA
105 #define IPR_SUBS_DEV_ID_57EB 0x0474
106 #define IPR_SUBS_DEV_ID_57EC 0x0475
107 #define IPR_SUBS_DEV_ID_57ED 0x0499
108 #define IPR_SUBS_DEV_ID_57EE 0x049A
109 #define IPR_SUBS_DEV_ID_57EF 0x049B
110 #define IPR_SUBS_DEV_ID_57F0 0x049C
111 #define IPR_SUBS_DEV_ID_2CCA 0x04C7
112 #define IPR_SUBS_DEV_ID_2CD2 0x04C8
113 #define IPR_SUBS_DEV_ID_2CCD 0x04C9
114 #define IPR_NAME "ipr"
115
116 /*
117 * Return codes
118 */
119 #define IPR_RC_JOB_CONTINUE 1
120 #define IPR_RC_JOB_RETURN 2
121
122 /*
123 * IOASCs
124 */
125 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
126 #define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
127 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
128 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
129 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
130 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
131 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
132 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
133 #define IPR_IOASC_HW_CMD_FAILED 0x046E0000
134 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
135 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
136 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
137 #define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
138 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
139 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
140 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
141 #define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
142
143 #define IPR_FIRST_DRIVER_IOASC 0x10000000
144 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
145 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
146
147 /* Driver data flags */
148 #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
149 #define IPR_USE_PCI_WARM_RESET 0x00000002
150
151 #define IPR_DEFAULT_MAX_ERROR_DUMP 984
152 #define IPR_NUM_LOG_HCAMS 2
153 #define IPR_NUM_CFG_CHG_HCAMS 2
154 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
155
156 #define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
157 #define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
158
159 #define IPR_MAX_NUM_TARGETS_PER_BUS 256
160 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
161 #define IPR_VSET_BUS 0xff
162 #define IPR_IOA_BUS 0xff
163 #define IPR_IOA_TARGET 0xff
164 #define IPR_IOA_LUN 0xff
165 #define IPR_MAX_NUM_BUSES 16
166
167 #define IPR_NUM_RESET_RELOAD_RETRIES 3
168
169 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
170 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
171 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
172
173 #define IPR_MAX_COMMANDS 100
174 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
175 IPR_NUM_INTERNAL_CMD_BLKS)
176
177 #define IPR_MAX_PHYSICAL_DEVS 192
178 #define IPR_DEFAULT_SIS64_DEVS 1024
179 #define IPR_MAX_SIS64_DEVS 4096
180
181 #define IPR_MAX_SGLIST 64
182 #define IPR_IOA_MAX_SECTORS 32767
183 #define IPR_VSET_MAX_SECTORS 512
184 #define IPR_MAX_CDB_LEN 16
185 #define IPR_MAX_HRRQ_RETRIES 3
186
187 #define IPR_DEFAULT_BUS_WIDTH 16
188 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
189 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
190 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
191 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
192
193 #define IPR_IOA_RES_HANDLE 0xffffffff
194 #define IPR_INVALID_RES_HANDLE 0
195 #define IPR_IOA_RES_ADDR 0x00ffffff
196
197 /*
198 * Adapter Commands
199 */
200 #define IPR_CANCEL_REQUEST 0xC0
201 #define IPR_CANCEL_64BIT_IOARCB 0x01
202 #define IPR_QUERY_RSRC_STATE 0xC2
203 #define IPR_RESET_DEVICE 0xC3
204 #define IPR_RESET_TYPE_SELECT 0x80
205 #define IPR_LUN_RESET 0x40
206 #define IPR_TARGET_RESET 0x20
207 #define IPR_BUS_RESET 0x10
208 #define IPR_ATA_PHY_RESET 0x80
209 #define IPR_ID_HOST_RR_Q 0xC4
210 #define IPR_QUERY_IOA_CONFIG 0xC5
211 #define IPR_CANCEL_ALL_REQUESTS 0xCE
212 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
213 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
214 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
215 #define IPR_SET_SUPPORTED_DEVICES 0xFB
216 #define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
217 #define IPR_IOA_SHUTDOWN 0xF7
218 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
219 #define IPR_IOA_SERVICE_ACTION 0xD2
220
221 /* IOA Service Actions */
222 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
223
224 /*
225 * Timeouts
226 */
227 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
228 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
229 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
230 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
231 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
232 #define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
233 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
234 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
235 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
236 #define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
237 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
238 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
239 #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
240 #define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
241 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
242 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
243 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
244 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
245 #define IPR_PCI_RESET_TIMEOUT (HZ / 2)
246 #define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
247 #define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
248 #define IPR_DUMP_DELAY_SECONDS 4
249 #define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
250
251 /*
252 * SCSI Literals
253 */
254 #define IPR_VENDOR_ID_LEN 8
255 #define IPR_PROD_ID_LEN 16
256 #define IPR_SERIAL_NUM_LEN 8
257
258 /*
259 * Hardware literals
260 */
261 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
262 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
263 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
264 #define IPR_GET_FMT2_BAR_SEL(mbx) \
265 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
266 #define IPR_SDT_FMT2_BAR0_SEL 0x0
267 #define IPR_SDT_FMT2_BAR1_SEL 0x1
268 #define IPR_SDT_FMT2_BAR2_SEL 0x2
269 #define IPR_SDT_FMT2_BAR3_SEL 0x3
270 #define IPR_SDT_FMT2_BAR4_SEL 0x4
271 #define IPR_SDT_FMT2_BAR5_SEL 0x5
272 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
273 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
274 #define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
275 #define IPR_DOORBELL 0x82800000
276 #define IPR_RUNTIME_RESET 0x40000000
277
278 #define IPR_IPL_INIT_MIN_STAGE_TIME 5
279 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
280 #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
281 #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
282 #define IPR_IPL_INIT_STAGE_MASK 0xff000000
283 #define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
284 #define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
285
286 #define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
287 #define IPR_WAIT_FOR_MAILBOX (2 * HZ)
288
289 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
290 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
291 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
292 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
293 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
294 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
295 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
296 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
297 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
298 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
299 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
300
301 #define IPR_PCII_ERROR_INTERRUPTS \
302 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
303 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
304
305 #define IPR_PCII_OPER_INTERRUPTS \
306 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
307
308 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
309 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
310 #define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
311
312 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
313 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
314
315 /*
316 * Dump literals
317 */
318 #define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
319 #define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
320 #define IPR_FMT2_NUM_SDT_ENTRIES 511
321 #define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
322 #define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
323 #define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
324
325 /*
326 * Misc literals
327 */
328 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
329 #define IPR_MAX_MSIX_VECTORS 0x10
330 #define IPR_MAX_HRRQ_NUM 0x10
331 #define IPR_INIT_HRRQ 0x0
332
333 /*
334 * Adapter interface types
335 */
336
337 struct ipr_res_addr {
338 u8 reserved;
339 u8 bus;
340 u8 target;
341 u8 lun;
342 #define IPR_GET_PHYS_LOC(res_addr) \
343 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
344 }__attribute__((packed, aligned (4)));
345
346 struct ipr_std_inq_vpids {
347 u8 vendor_id[IPR_VENDOR_ID_LEN];
348 u8 product_id[IPR_PROD_ID_LEN];
349 }__attribute__((packed));
350
351 struct ipr_vpd {
352 struct ipr_std_inq_vpids vpids;
353 u8 sn[IPR_SERIAL_NUM_LEN];
354 }__attribute__((packed));
355
356 struct ipr_ext_vpd {
357 struct ipr_vpd vpd;
358 __be32 wwid[2];
359 }__attribute__((packed));
360
361 struct ipr_ext_vpd64 {
362 struct ipr_vpd vpd;
363 __be32 wwid[4];
364 }__attribute__((packed));
365
366 struct ipr_std_inq_data {
367 u8 peri_qual_dev_type;
368 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
369 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
370
371 u8 removeable_medium_rsvd;
372 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
373
374 #define IPR_IS_DASD_DEVICE(std_inq) \
375 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
376 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
377
378 #define IPR_IS_SES_DEVICE(std_inq) \
379 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
380
381 u8 version;
382 u8 aen_naca_fmt;
383 u8 additional_len;
384 u8 sccs_rsvd;
385 u8 bq_enc_multi;
386 u8 sync_cmdq_flags;
387
388 struct ipr_std_inq_vpids vpids;
389
390 u8 ros_rsvd_ram_rsvd[4];
391
392 u8 serial_num[IPR_SERIAL_NUM_LEN];
393 }__attribute__ ((packed));
394
395 #define IPR_RES_TYPE_AF_DASD 0x00
396 #define IPR_RES_TYPE_GENERIC_SCSI 0x01
397 #define IPR_RES_TYPE_VOLUME_SET 0x02
398 #define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
399 #define IPR_RES_TYPE_GENERIC_ATA 0x04
400 #define IPR_RES_TYPE_ARRAY 0x05
401 #define IPR_RES_TYPE_IOAFP 0xff
402
403 struct ipr_config_table_entry {
404 u8 proto;
405 #define IPR_PROTO_SATA 0x02
406 #define IPR_PROTO_SATA_ATAPI 0x03
407 #define IPR_PROTO_SAS_STP 0x06
408 #define IPR_PROTO_SAS_STP_ATAPI 0x07
409 u8 array_id;
410 u8 flags;
411 #define IPR_IS_IOA_RESOURCE 0x80
412 u8 rsvd_subtype;
413
414 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
415 #define IPR_QUEUE_FROZEN_MODEL 0
416 #define IPR_QUEUE_NACA_MODEL 1
417
418 struct ipr_res_addr res_addr;
419 __be32 res_handle;
420 __be32 lun_wwn[2];
421 struct ipr_std_inq_data std_inq_data;
422 }__attribute__ ((packed, aligned (4)));
423
424 struct ipr_config_table_entry64 {
425 u8 res_type;
426 u8 proto;
427 u8 vset_num;
428 u8 array_id;
429 __be16 flags;
430 __be16 res_flags;
431 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
432 __be32 res_handle;
433 u8 dev_id_type;
434 u8 reserved[3];
435 __be64 dev_id;
436 __be64 lun;
437 __be64 lun_wwn[2];
438 #define IPR_MAX_RES_PATH_LENGTH 48
439 __be64 res_path;
440 struct ipr_std_inq_data std_inq_data;
441 u8 reserved2[4];
442 __be64 reserved3[2];
443 u8 reserved4[8];
444 }__attribute__ ((packed, aligned (8)));
445
446 struct ipr_config_table_hdr {
447 u8 num_entries;
448 u8 flags;
449 #define IPR_UCODE_DOWNLOAD_REQ 0x10
450 __be16 reserved;
451 }__attribute__((packed, aligned (4)));
452
453 struct ipr_config_table_hdr64 {
454 __be16 num_entries;
455 __be16 reserved;
456 u8 flags;
457 u8 reserved2[11];
458 }__attribute__((packed, aligned (4)));
459
460 struct ipr_config_table {
461 struct ipr_config_table_hdr hdr;
462 struct ipr_config_table_entry dev[0];
463 }__attribute__((packed, aligned (4)));
464
465 struct ipr_config_table64 {
466 struct ipr_config_table_hdr64 hdr64;
467 struct ipr_config_table_entry64 dev[0];
468 }__attribute__((packed, aligned (8)));
469
470 struct ipr_config_table_entry_wrapper {
471 union {
472 struct ipr_config_table_entry *cfgte;
473 struct ipr_config_table_entry64 *cfgte64;
474 } u;
475 };
476
477 struct ipr_hostrcb_cfg_ch_not {
478 union {
479 struct ipr_config_table_entry cfgte;
480 struct ipr_config_table_entry64 cfgte64;
481 } u;
482 u8 reserved[936];
483 }__attribute__((packed, aligned (4)));
484
485 struct ipr_supported_device {
486 __be16 data_length;
487 u8 reserved;
488 u8 num_records;
489 struct ipr_std_inq_vpids vpids;
490 u8 reserved2[16];
491 }__attribute__((packed, aligned (4)));
492
493 struct ipr_hrr_queue {
494 struct ipr_ioa_cfg *ioa_cfg;
495 __be32 *host_rrq;
496 dma_addr_t host_rrq_dma;
497 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
498 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
499 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
500 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
501 #define IPR_ID_HRRQ_SELE_ENABLE 0x02
502 volatile __be32 *hrrq_start;
503 volatile __be32 *hrrq_end;
504 volatile __be32 *hrrq_curr;
505
506 struct list_head hrrq_free_q;
507 struct list_head hrrq_pending_q;
508 spinlock_t _lock;
509 spinlock_t *lock;
510
511 volatile u32 toggle_bit;
512 u32 size;
513 u32 min_cmd_id;
514 u32 max_cmd_id;
515 u8 allow_interrupts:1;
516 u8 ioa_is_dead:1;
517 u8 allow_cmds:1;
518 u8 removing_ioa:1;
519
520 struct irq_poll iopoll;
521 };
522
523 /* Command packet structure */
524 struct ipr_cmd_pkt {
525 u8 reserved; /* Reserved by IOA */
526 u8 hrrq_id;
527 u8 request_type;
528 #define IPR_RQTYPE_SCSICDB 0x00
529 #define IPR_RQTYPE_IOACMD 0x01
530 #define IPR_RQTYPE_HCAM 0x02
531 #define IPR_RQTYPE_ATA_PASSTHRU 0x04
532 #define IPR_RQTYPE_PIPE 0x05
533
534 u8 reserved2;
535
536 u8 flags_hi;
537 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
538 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
539 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
540 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
541 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
542
543 u8 flags_lo;
544 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
545 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
546 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
547 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
548 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
549 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
550 #define IPR_FLAGS_LO_ACA_TASK 0x08
551
552 u8 cdb[16];
553 __be16 timeout;
554 }__attribute__ ((packed, aligned(4)));
555
556 struct ipr_ioarcb_ata_regs { /* 22 bytes */
557 u8 flags;
558 #define IPR_ATA_FLAG_PACKET_CMD 0x80
559 #define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
560 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
561 u8 reserved[3];
562
563 __be16 data;
564 u8 feature;
565 u8 nsect;
566 u8 lbal;
567 u8 lbam;
568 u8 lbah;
569 u8 device;
570 u8 command;
571 u8 reserved2[3];
572 u8 hob_feature;
573 u8 hob_nsect;
574 u8 hob_lbal;
575 u8 hob_lbam;
576 u8 hob_lbah;
577 u8 ctl;
578 }__attribute__ ((packed, aligned(2)));
579
580 struct ipr_ioadl_desc {
581 __be32 flags_and_data_len;
582 #define IPR_IOADL_FLAGS_MASK 0xff000000
583 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
584 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
585 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
586 #define IPR_IOADL_FLAGS_READ 0x48000000
587 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
588 #define IPR_IOADL_FLAGS_WRITE 0x68000000
589 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
590 #define IPR_IOADL_FLAGS_LAST 0x01000000
591
592 __be32 address;
593 }__attribute__((packed, aligned (8)));
594
595 struct ipr_ioadl64_desc {
596 __be32 flags;
597 __be32 data_len;
598 __be64 address;
599 }__attribute__((packed, aligned (16)));
600
601 struct ipr_ata64_ioadl {
602 struct ipr_ioarcb_ata_regs regs;
603 u16 reserved[5];
604 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
605 }__attribute__((packed, aligned (16)));
606
607 struct ipr_ioarcb_add_data {
608 union {
609 struct ipr_ioarcb_ata_regs regs;
610 struct ipr_ioadl_desc ioadl[5];
611 __be32 add_cmd_parms[10];
612 } u;
613 }__attribute__ ((packed, aligned (4)));
614
615 struct ipr_ioarcb_sis64_add_addr_ecb {
616 __be64 ioasa_host_pci_addr;
617 __be64 data_ioadl_addr;
618 __be64 reserved;
619 __be32 ext_control_buf[4];
620 }__attribute__((packed, aligned (8)));
621
622 /* IOA Request Control Block 128 bytes */
623 struct ipr_ioarcb {
624 union {
625 __be32 ioarcb_host_pci_addr;
626 __be64 ioarcb_host_pci_addr64;
627 } a;
628 __be32 res_handle;
629 __be32 host_response_handle;
630 __be32 reserved1;
631 __be32 reserved2;
632 __be32 reserved3;
633
634 __be32 data_transfer_length;
635 __be32 read_data_transfer_length;
636 __be32 write_ioadl_addr;
637 __be32 ioadl_len;
638 __be32 read_ioadl_addr;
639 __be32 read_ioadl_len;
640
641 __be32 ioasa_host_pci_addr;
642 __be16 ioasa_len;
643 __be16 reserved4;
644
645 struct ipr_cmd_pkt cmd_pkt;
646
647 __be16 add_cmd_parms_offset;
648 __be16 add_cmd_parms_len;
649
650 union {
651 struct ipr_ioarcb_add_data add_data;
652 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
653 } u;
654
655 }__attribute__((packed, aligned (4)));
656
657 struct ipr_ioasa_vset {
658 __be32 failing_lba_hi;
659 __be32 failing_lba_lo;
660 __be32 reserved;
661 }__attribute__((packed, aligned (4)));
662
663 struct ipr_ioasa_af_dasd {
664 __be32 failing_lba;
665 __be32 reserved[2];
666 }__attribute__((packed, aligned (4)));
667
668 struct ipr_ioasa_gpdd {
669 u8 end_state;
670 u8 bus_phase;
671 __be16 reserved;
672 __be32 ioa_data[2];
673 }__attribute__((packed, aligned (4)));
674
675 struct ipr_ioasa_gata {
676 u8 error;
677 u8 nsect; /* Interrupt reason */
678 u8 lbal;
679 u8 lbam;
680 u8 lbah;
681 u8 device;
682 u8 status;
683 u8 alt_status; /* ATA CTL */
684 u8 hob_nsect;
685 u8 hob_lbal;
686 u8 hob_lbam;
687 u8 hob_lbah;
688 }__attribute__((packed, aligned (4)));
689
690 struct ipr_auto_sense {
691 __be16 auto_sense_len;
692 __be16 ioa_data_len;
693 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
694 };
695
696 struct ipr_ioasa_hdr {
697 __be32 ioasc;
698 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
699 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
700 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
701 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
702
703 __be16 ret_stat_len; /* Length of the returned IOASA */
704
705 __be16 avail_stat_len; /* Total Length of status available. */
706
707 __be32 residual_data_len; /* number of bytes in the host data */
708 /* buffers that were not used by the IOARCB command. */
709
710 __be32 ilid;
711 #define IPR_NO_ILID 0
712 #define IPR_DRIVER_ILID 0xffffffff
713
714 __be32 fd_ioasc;
715
716 __be32 fd_phys_locator;
717
718 __be32 fd_res_handle;
719
720 __be32 ioasc_specific; /* status code specific field */
721 #define IPR_ADDITIONAL_STATUS_FMT 0x80000000
722 #define IPR_AUTOSENSE_VALID 0x40000000
723 #define IPR_ATA_DEVICE_WAS_RESET 0x20000000
724 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
725 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
726 #define IPR_FIELD_POINTER_MASK 0x0000ffff
727
728 }__attribute__((packed, aligned (4)));
729
730 struct ipr_ioasa {
731 struct ipr_ioasa_hdr hdr;
732
733 union {
734 struct ipr_ioasa_vset vset;
735 struct ipr_ioasa_af_dasd dasd;
736 struct ipr_ioasa_gpdd gpdd;
737 struct ipr_ioasa_gata gata;
738 } u;
739
740 struct ipr_auto_sense auto_sense;
741 }__attribute__((packed, aligned (4)));
742
743 struct ipr_ioasa64 {
744 struct ipr_ioasa_hdr hdr;
745 u8 fd_res_path[8];
746
747 union {
748 struct ipr_ioasa_vset vset;
749 struct ipr_ioasa_af_dasd dasd;
750 struct ipr_ioasa_gpdd gpdd;
751 struct ipr_ioasa_gata gata;
752 } u;
753
754 struct ipr_auto_sense auto_sense;
755 }__attribute__((packed, aligned (4)));
756
757 struct ipr_mode_parm_hdr {
758 u8 length;
759 u8 medium_type;
760 u8 device_spec_parms;
761 u8 block_desc_len;
762 }__attribute__((packed));
763
764 struct ipr_mode_pages {
765 struct ipr_mode_parm_hdr hdr;
766 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
767 }__attribute__((packed));
768
769 struct ipr_mode_page_hdr {
770 u8 ps_page_code;
771 #define IPR_MODE_PAGE_PS 0x80
772 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
773 u8 page_length;
774 }__attribute__ ((packed));
775
776 struct ipr_dev_bus_entry {
777 struct ipr_res_addr res_addr;
778 u8 flags;
779 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
780 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
781 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
782 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
783 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
784 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
785 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
786
787 u8 scsi_id;
788 u8 bus_width;
789 u8 extended_reset_delay;
790 #define IPR_EXTENDED_RESET_DELAY 7
791
792 __be32 max_xfer_rate;
793
794 u8 spinup_delay;
795 u8 reserved3;
796 __be16 reserved4;
797 }__attribute__((packed, aligned (4)));
798
799 struct ipr_mode_page28 {
800 struct ipr_mode_page_hdr hdr;
801 u8 num_entries;
802 u8 entry_length;
803 struct ipr_dev_bus_entry bus[0];
804 }__attribute__((packed));
805
806 struct ipr_mode_page24 {
807 struct ipr_mode_page_hdr hdr;
808 u8 flags;
809 #define IPR_ENABLE_DUAL_IOA_AF 0x80
810 }__attribute__((packed));
811
812 struct ipr_ioa_vpd {
813 struct ipr_std_inq_data std_inq_data;
814 u8 ascii_part_num[12];
815 u8 reserved[40];
816 u8 ascii_plant_code[4];
817 }__attribute__((packed));
818
819 struct ipr_inquiry_page3 {
820 u8 peri_qual_dev_type;
821 u8 page_code;
822 u8 reserved1;
823 u8 page_length;
824 u8 ascii_len;
825 u8 reserved2[3];
826 u8 load_id[4];
827 u8 major_release;
828 u8 card_type;
829 u8 minor_release[2];
830 u8 ptf_number[4];
831 u8 patch_number[4];
832 }__attribute__((packed));
833
834 struct ipr_inquiry_cap {
835 u8 peri_qual_dev_type;
836 u8 page_code;
837 u8 reserved1;
838 u8 page_length;
839 u8 ascii_len;
840 u8 reserved2;
841 u8 sis_version[2];
842 u8 cap;
843 #define IPR_CAP_DUAL_IOA_RAID 0x80
844 u8 reserved3[15];
845 }__attribute__((packed));
846
847 #define IPR_INQUIRY_PAGE0_ENTRIES 20
848 struct ipr_inquiry_page0 {
849 u8 peri_qual_dev_type;
850 u8 page_code;
851 u8 reserved1;
852 u8 len;
853 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
854 }__attribute__((packed));
855
856 struct ipr_inquiry_pageC4 {
857 u8 peri_qual_dev_type;
858 u8 page_code;
859 u8 reserved1;
860 u8 len;
861 u8 cache_cap[4];
862 #define IPR_CAP_SYNC_CACHE 0x08
863 u8 reserved2[20];
864 } __packed;
865
866 struct ipr_hostrcb_device_data_entry {
867 struct ipr_vpd vpd;
868 struct ipr_res_addr dev_res_addr;
869 struct ipr_vpd new_vpd;
870 struct ipr_vpd ioa_last_with_dev_vpd;
871 struct ipr_vpd cfc_last_with_dev_vpd;
872 __be32 ioa_data[5];
873 }__attribute__((packed, aligned (4)));
874
875 struct ipr_hostrcb_device_data_entry_enhanced {
876 struct ipr_ext_vpd vpd;
877 u8 ccin[4];
878 struct ipr_res_addr dev_res_addr;
879 struct ipr_ext_vpd new_vpd;
880 u8 new_ccin[4];
881 struct ipr_ext_vpd ioa_last_with_dev_vpd;
882 struct ipr_ext_vpd cfc_last_with_dev_vpd;
883 }__attribute__((packed, aligned (4)));
884
885 struct ipr_hostrcb64_device_data_entry_enhanced {
886 struct ipr_ext_vpd vpd;
887 u8 ccin[4];
888 u8 res_path[8];
889 struct ipr_ext_vpd new_vpd;
890 u8 new_ccin[4];
891 struct ipr_ext_vpd ioa_last_with_dev_vpd;
892 struct ipr_ext_vpd cfc_last_with_dev_vpd;
893 }__attribute__((packed, aligned (4)));
894
895 struct ipr_hostrcb_array_data_entry {
896 struct ipr_vpd vpd;
897 struct ipr_res_addr expected_dev_res_addr;
898 struct ipr_res_addr dev_res_addr;
899 }__attribute__((packed, aligned (4)));
900
901 struct ipr_hostrcb64_array_data_entry {
902 struct ipr_ext_vpd vpd;
903 u8 ccin[4];
904 u8 expected_res_path[8];
905 u8 res_path[8];
906 }__attribute__((packed, aligned (4)));
907
908 struct ipr_hostrcb_array_data_entry_enhanced {
909 struct ipr_ext_vpd vpd;
910 u8 ccin[4];
911 struct ipr_res_addr expected_dev_res_addr;
912 struct ipr_res_addr dev_res_addr;
913 }__attribute__((packed, aligned (4)));
914
915 struct ipr_hostrcb_type_ff_error {
916 __be32 ioa_data[758];
917 }__attribute__((packed, aligned (4)));
918
919 struct ipr_hostrcb_type_01_error {
920 __be32 seek_counter;
921 __be32 read_counter;
922 u8 sense_data[32];
923 __be32 ioa_data[236];
924 }__attribute__((packed, aligned (4)));
925
926 struct ipr_hostrcb_type_21_error {
927 __be32 wwn[4];
928 u8 res_path[8];
929 u8 primary_problem_desc[32];
930 u8 second_problem_desc[32];
931 __be32 sense_data[8];
932 __be32 cdb[4];
933 __be32 residual_trans_length;
934 __be32 length_of_error;
935 __be32 ioa_data[236];
936 }__attribute__((packed, aligned (4)));
937
938 struct ipr_hostrcb_type_02_error {
939 struct ipr_vpd ioa_vpd;
940 struct ipr_vpd cfc_vpd;
941 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
942 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
943 __be32 ioa_data[3];
944 }__attribute__((packed, aligned (4)));
945
946 struct ipr_hostrcb_type_12_error {
947 struct ipr_ext_vpd ioa_vpd;
948 struct ipr_ext_vpd cfc_vpd;
949 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
950 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
951 __be32 ioa_data[3];
952 }__attribute__((packed, aligned (4)));
953
954 struct ipr_hostrcb_type_03_error {
955 struct ipr_vpd ioa_vpd;
956 struct ipr_vpd cfc_vpd;
957 __be32 errors_detected;
958 __be32 errors_logged;
959 u8 ioa_data[12];
960 struct ipr_hostrcb_device_data_entry dev[3];
961 }__attribute__((packed, aligned (4)));
962
963 struct ipr_hostrcb_type_13_error {
964 struct ipr_ext_vpd ioa_vpd;
965 struct ipr_ext_vpd cfc_vpd;
966 __be32 errors_detected;
967 __be32 errors_logged;
968 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
969 }__attribute__((packed, aligned (4)));
970
971 struct ipr_hostrcb_type_23_error {
972 struct ipr_ext_vpd ioa_vpd;
973 struct ipr_ext_vpd cfc_vpd;
974 __be32 errors_detected;
975 __be32 errors_logged;
976 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
977 }__attribute__((packed, aligned (4)));
978
979 struct ipr_hostrcb_type_04_error {
980 struct ipr_vpd ioa_vpd;
981 struct ipr_vpd cfc_vpd;
982 u8 ioa_data[12];
983 struct ipr_hostrcb_array_data_entry array_member[10];
984 __be32 exposed_mode_adn;
985 __be32 array_id;
986 struct ipr_vpd incomp_dev_vpd;
987 __be32 ioa_data2;
988 struct ipr_hostrcb_array_data_entry array_member2[8];
989 struct ipr_res_addr last_func_vset_res_addr;
990 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
991 u8 protection_level[8];
992 }__attribute__((packed, aligned (4)));
993
994 struct ipr_hostrcb_type_14_error {
995 struct ipr_ext_vpd ioa_vpd;
996 struct ipr_ext_vpd cfc_vpd;
997 __be32 exposed_mode_adn;
998 __be32 array_id;
999 struct ipr_res_addr last_func_vset_res_addr;
1000 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
1001 u8 protection_level[8];
1002 __be32 num_entries;
1003 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
1004 }__attribute__((packed, aligned (4)));
1005
1006 struct ipr_hostrcb_type_24_error {
1007 struct ipr_ext_vpd ioa_vpd;
1008 struct ipr_ext_vpd cfc_vpd;
1009 u8 reserved[2];
1010 u8 exposed_mode_adn;
1011 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
1012 u8 array_id;
1013 u8 last_res_path[8];
1014 u8 protection_level[8];
1015 struct ipr_ext_vpd64 array_vpd;
1016 u8 description[16];
1017 u8 reserved2[3];
1018 u8 num_entries;
1019 struct ipr_hostrcb64_array_data_entry array_member[32];
1020 }__attribute__((packed, aligned (4)));
1021
1022 struct ipr_hostrcb_type_07_error {
1023 u8 failure_reason[64];
1024 struct ipr_vpd vpd;
1025 __be32 data[222];
1026 }__attribute__((packed, aligned (4)));
1027
1028 struct ipr_hostrcb_type_17_error {
1029 u8 failure_reason[64];
1030 struct ipr_ext_vpd vpd;
1031 __be32 data[476];
1032 }__attribute__((packed, aligned (4)));
1033
1034 struct ipr_hostrcb_config_element {
1035 u8 type_status;
1036 #define IPR_PATH_CFG_TYPE_MASK 0xF0
1037 #define IPR_PATH_CFG_NOT_EXIST 0x00
1038 #define IPR_PATH_CFG_IOA_PORT 0x10
1039 #define IPR_PATH_CFG_EXP_PORT 0x20
1040 #define IPR_PATH_CFG_DEVICE_PORT 0x30
1041 #define IPR_PATH_CFG_DEVICE_LUN 0x40
1042
1043 #define IPR_PATH_CFG_STATUS_MASK 0x0F
1044 #define IPR_PATH_CFG_NO_PROB 0x00
1045 #define IPR_PATH_CFG_DEGRADED 0x01
1046 #define IPR_PATH_CFG_FAILED 0x02
1047 #define IPR_PATH_CFG_SUSPECT 0x03
1048 #define IPR_PATH_NOT_DETECTED 0x04
1049 #define IPR_PATH_INCORRECT_CONN 0x05
1050
1051 u8 cascaded_expander;
1052 u8 phy;
1053 u8 link_rate;
1054 #define IPR_PHY_LINK_RATE_MASK 0x0F
1055
1056 __be32 wwid[2];
1057 }__attribute__((packed, aligned (4)));
1058
1059 struct ipr_hostrcb64_config_element {
1060 __be16 length;
1061 u8 descriptor_id;
1062 #define IPR_DESCRIPTOR_MASK 0xC0
1063 #define IPR_DESCRIPTOR_SIS64 0x00
1064
1065 u8 reserved;
1066 u8 type_status;
1067
1068 u8 reserved2[2];
1069 u8 link_rate;
1070
1071 u8 res_path[8];
1072 __be32 wwid[2];
1073 }__attribute__((packed, aligned (8)));
1074
1075 struct ipr_hostrcb_fabric_desc {
1076 __be16 length;
1077 u8 ioa_port;
1078 u8 cascaded_expander;
1079 u8 phy;
1080 u8 path_state;
1081 #define IPR_PATH_ACTIVE_MASK 0xC0
1082 #define IPR_PATH_NO_INFO 0x00
1083 #define IPR_PATH_ACTIVE 0x40
1084 #define IPR_PATH_NOT_ACTIVE 0x80
1085
1086 #define IPR_PATH_STATE_MASK 0x0F
1087 #define IPR_PATH_STATE_NO_INFO 0x00
1088 #define IPR_PATH_HEALTHY 0x01
1089 #define IPR_PATH_DEGRADED 0x02
1090 #define IPR_PATH_FAILED 0x03
1091
1092 __be16 num_entries;
1093 struct ipr_hostrcb_config_element elem[1];
1094 }__attribute__((packed, aligned (4)));
1095
1096 struct ipr_hostrcb64_fabric_desc {
1097 __be16 length;
1098 u8 descriptor_id;
1099
1100 u8 reserved[2];
1101 u8 path_state;
1102
1103 u8 reserved2[2];
1104 u8 res_path[8];
1105 u8 reserved3[6];
1106 __be16 num_entries;
1107 struct ipr_hostrcb64_config_element elem[1];
1108 }__attribute__((packed, aligned (8)));
1109
1110 #define for_each_hrrq(hrrq, ioa_cfg) \
1111 for (hrrq = (ioa_cfg)->hrrq; \
1112 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1113
1114 #define for_each_fabric_cfg(fabric, cfg) \
1115 for (cfg = (fabric)->elem; \
1116 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1117 cfg++)
1118
1119 struct ipr_hostrcb_type_20_error {
1120 u8 failure_reason[64];
1121 u8 reserved[3];
1122 u8 num_entries;
1123 struct ipr_hostrcb_fabric_desc desc[1];
1124 }__attribute__((packed, aligned (4)));
1125
1126 struct ipr_hostrcb_type_30_error {
1127 u8 failure_reason[64];
1128 u8 reserved[3];
1129 u8 num_entries;
1130 struct ipr_hostrcb64_fabric_desc desc[1];
1131 }__attribute__((packed, aligned (4)));
1132
1133 struct ipr_hostrcb_error {
1134 __be32 fd_ioasc;
1135 struct ipr_res_addr fd_res_addr;
1136 __be32 fd_res_handle;
1137 __be32 prc;
1138 union {
1139 struct ipr_hostrcb_type_ff_error type_ff_error;
1140 struct ipr_hostrcb_type_01_error type_01_error;
1141 struct ipr_hostrcb_type_02_error type_02_error;
1142 struct ipr_hostrcb_type_03_error type_03_error;
1143 struct ipr_hostrcb_type_04_error type_04_error;
1144 struct ipr_hostrcb_type_07_error type_07_error;
1145 struct ipr_hostrcb_type_12_error type_12_error;
1146 struct ipr_hostrcb_type_13_error type_13_error;
1147 struct ipr_hostrcb_type_14_error type_14_error;
1148 struct ipr_hostrcb_type_17_error type_17_error;
1149 struct ipr_hostrcb_type_20_error type_20_error;
1150 } u;
1151 }__attribute__((packed, aligned (4)));
1152
1153 struct ipr_hostrcb64_error {
1154 __be32 fd_ioasc;
1155 __be32 ioa_fw_level;
1156 __be32 fd_res_handle;
1157 __be32 prc;
1158 __be64 fd_dev_id;
1159 __be64 fd_lun;
1160 u8 fd_res_path[8];
1161 __be64 time_stamp;
1162 u8 reserved[16];
1163 union {
1164 struct ipr_hostrcb_type_ff_error type_ff_error;
1165 struct ipr_hostrcb_type_12_error type_12_error;
1166 struct ipr_hostrcb_type_17_error type_17_error;
1167 struct ipr_hostrcb_type_21_error type_21_error;
1168 struct ipr_hostrcb_type_23_error type_23_error;
1169 struct ipr_hostrcb_type_24_error type_24_error;
1170 struct ipr_hostrcb_type_30_error type_30_error;
1171 } u;
1172 }__attribute__((packed, aligned (8)));
1173
1174 struct ipr_hostrcb_raw {
1175 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1176 }__attribute__((packed, aligned (4)));
1177
1178 struct ipr_hcam {
1179 u8 op_code;
1180 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1181 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1182
1183 u8 notify_type;
1184 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1185 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1186 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1187 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1188 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1189
1190 u8 notifications_lost;
1191 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1192 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1193
1194 u8 flags;
1195 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1196 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1197
1198 u8 overlay_id;
1199 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1200 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1201 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1202 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1203 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1204 #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1205 #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1206 #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1207 #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1208 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1209 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1210 #define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1211 #define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1212 #define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1213 #define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1214 #define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1215 #define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1216 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1217
1218 u8 reserved1[3];
1219 __be32 ilid;
1220 __be32 time_since_last_ioa_reset;
1221 __be32 reserved2;
1222 __be32 length;
1223
1224 union {
1225 struct ipr_hostrcb_error error;
1226 struct ipr_hostrcb64_error error64;
1227 struct ipr_hostrcb_cfg_ch_not ccn;
1228 struct ipr_hostrcb_raw raw;
1229 } u;
1230 }__attribute__((packed, aligned (4)));
1231
1232 struct ipr_hostrcb {
1233 struct ipr_hcam hcam;
1234 dma_addr_t hostrcb_dma;
1235 struct list_head queue;
1236 struct ipr_ioa_cfg *ioa_cfg;
1237 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1238 };
1239
1240 /* IPR smart dump table structures */
1241 struct ipr_sdt_entry {
1242 __be32 start_token;
1243 __be32 end_token;
1244 u8 reserved[4];
1245
1246 u8 flags;
1247 #define IPR_SDT_ENDIAN 0x80
1248 #define IPR_SDT_VALID_ENTRY 0x20
1249
1250 u8 resv;
1251 __be16 priority;
1252 }__attribute__((packed, aligned (4)));
1253
1254 struct ipr_sdt_header {
1255 __be32 state;
1256 __be32 num_entries;
1257 __be32 num_entries_used;
1258 __be32 dump_size;
1259 }__attribute__((packed, aligned (4)));
1260
1261 struct ipr_sdt {
1262 struct ipr_sdt_header hdr;
1263 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1264 }__attribute__((packed, aligned (4)));
1265
1266 struct ipr_uc_sdt {
1267 struct ipr_sdt_header hdr;
1268 struct ipr_sdt_entry entry[1];
1269 }__attribute__((packed, aligned (4)));
1270
1271 /*
1272 * Driver types
1273 */
1274 struct ipr_bus_attributes {
1275 u8 bus;
1276 u8 qas_enabled;
1277 u8 bus_width;
1278 u8 reserved;
1279 u32 max_xfer_rate;
1280 };
1281
1282 struct ipr_sata_port {
1283 struct ipr_ioa_cfg *ioa_cfg;
1284 struct ata_port *ap;
1285 struct ipr_resource_entry *res;
1286 struct ipr_ioasa_gata ioasa;
1287 };
1288
1289 struct ipr_resource_entry {
1290 u8 needs_sync_complete:1;
1291 u8 in_erp:1;
1292 u8 add_to_ml:1;
1293 u8 del_from_ml:1;
1294 u8 resetting_device:1;
1295 u8 reset_occurred:1;
1296 u8 raw_mode:1;
1297
1298 u32 bus; /* AKA channel */
1299 u32 target; /* AKA id */
1300 u32 lun;
1301 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1302 #define IPR_VSET_VIRTUAL_BUS 0x2
1303 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1304
1305 #define IPR_GET_RES_PHYS_LOC(res) \
1306 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1307
1308 u8 ata_class;
1309 u8 type;
1310
1311 u16 flags;
1312 u16 res_flags;
1313
1314 u8 qmodel;
1315 struct ipr_std_inq_data std_inq_data;
1316
1317 __be32 res_handle;
1318 __be64 dev_id;
1319 u64 lun_wwn;
1320 struct scsi_lun dev_lun;
1321 u8 res_path[8];
1322
1323 struct ipr_ioa_cfg *ioa_cfg;
1324 struct scsi_device *sdev;
1325 struct ipr_sata_port *sata_port;
1326 struct list_head queue;
1327 }; /* struct ipr_resource_entry */
1328
1329 struct ipr_resource_hdr {
1330 u16 num_entries;
1331 u16 reserved;
1332 };
1333
1334 struct ipr_misc_cbs {
1335 struct ipr_ioa_vpd ioa_vpd;
1336 struct ipr_inquiry_page0 page0_data;
1337 struct ipr_inquiry_page3 page3_data;
1338 struct ipr_inquiry_cap cap;
1339 struct ipr_inquiry_pageC4 pageC4_data;
1340 struct ipr_mode_pages mode_pages;
1341 struct ipr_supported_device supp_dev;
1342 };
1343
1344 struct ipr_interrupt_offsets {
1345 unsigned long set_interrupt_mask_reg;
1346 unsigned long clr_interrupt_mask_reg;
1347 unsigned long clr_interrupt_mask_reg32;
1348 unsigned long sense_interrupt_mask_reg;
1349 unsigned long sense_interrupt_mask_reg32;
1350 unsigned long clr_interrupt_reg;
1351 unsigned long clr_interrupt_reg32;
1352
1353 unsigned long sense_interrupt_reg;
1354 unsigned long sense_interrupt_reg32;
1355 unsigned long ioarrin_reg;
1356 unsigned long sense_uproc_interrupt_reg;
1357 unsigned long sense_uproc_interrupt_reg32;
1358 unsigned long set_uproc_interrupt_reg;
1359 unsigned long set_uproc_interrupt_reg32;
1360 unsigned long clr_uproc_interrupt_reg;
1361 unsigned long clr_uproc_interrupt_reg32;
1362
1363 unsigned long init_feedback_reg;
1364
1365 unsigned long dump_addr_reg;
1366 unsigned long dump_data_reg;
1367
1368 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1369 unsigned long endian_swap_reg;
1370 };
1371
1372 struct ipr_interrupts {
1373 void __iomem *set_interrupt_mask_reg;
1374 void __iomem *clr_interrupt_mask_reg;
1375 void __iomem *clr_interrupt_mask_reg32;
1376 void __iomem *sense_interrupt_mask_reg;
1377 void __iomem *sense_interrupt_mask_reg32;
1378 void __iomem *clr_interrupt_reg;
1379 void __iomem *clr_interrupt_reg32;
1380
1381 void __iomem *sense_interrupt_reg;
1382 void __iomem *sense_interrupt_reg32;
1383 void __iomem *ioarrin_reg;
1384 void __iomem *sense_uproc_interrupt_reg;
1385 void __iomem *sense_uproc_interrupt_reg32;
1386 void __iomem *set_uproc_interrupt_reg;
1387 void __iomem *set_uproc_interrupt_reg32;
1388 void __iomem *clr_uproc_interrupt_reg;
1389 void __iomem *clr_uproc_interrupt_reg32;
1390
1391 void __iomem *init_feedback_reg;
1392
1393 void __iomem *dump_addr_reg;
1394 void __iomem *dump_data_reg;
1395
1396 void __iomem *endian_swap_reg;
1397 };
1398
1399 struct ipr_chip_cfg_t {
1400 u32 mailbox;
1401 u16 max_cmds;
1402 u8 cache_line_size;
1403 u8 clear_isr;
1404 u32 iopoll_weight;
1405 struct ipr_interrupt_offsets regs;
1406 };
1407
1408 struct ipr_chip_t {
1409 u16 vendor;
1410 u16 device;
1411 u16 intr_type;
1412 #define IPR_USE_LSI 0x00
1413 #define IPR_USE_MSI 0x01
1414 #define IPR_USE_MSIX 0x02
1415 u16 sis_type;
1416 #define IPR_SIS32 0x00
1417 #define IPR_SIS64 0x01
1418 u16 bist_method;
1419 #define IPR_PCI_CFG 0x00
1420 #define IPR_MMIO 0x01
1421 const struct ipr_chip_cfg_t *cfg;
1422 };
1423
1424 enum ipr_shutdown_type {
1425 IPR_SHUTDOWN_NORMAL = 0x00,
1426 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1427 IPR_SHUTDOWN_ABBREV = 0x80,
1428 IPR_SHUTDOWN_NONE = 0x100,
1429 IPR_SHUTDOWN_QUIESCE = 0x101,
1430 };
1431
1432 struct ipr_trace_entry {
1433 u32 time;
1434
1435 u8 op_code;
1436 u8 ata_op_code;
1437 u8 type;
1438 #define IPR_TRACE_START 0x00
1439 #define IPR_TRACE_FINISH 0xff
1440 u8 cmd_index;
1441
1442 __be32 res_handle;
1443 union {
1444 u32 ioasc;
1445 u32 add_data;
1446 u32 res_addr;
1447 } u;
1448 };
1449
1450 struct ipr_sglist {
1451 u32 order;
1452 u32 num_sg;
1453 u32 num_dma_sg;
1454 u32 buffer_len;
1455 struct scatterlist scatterlist[1];
1456 };
1457
1458 enum ipr_sdt_state {
1459 INACTIVE,
1460 WAIT_FOR_DUMP,
1461 GET_DUMP,
1462 READ_DUMP,
1463 ABORT_DUMP,
1464 DUMP_OBTAINED
1465 };
1466
1467 /* Per-controller data */
1468 struct ipr_ioa_cfg {
1469 char eye_catcher[8];
1470 #define IPR_EYECATCHER "iprcfg"
1471
1472 struct list_head queue;
1473
1474 u8 in_reset_reload:1;
1475 u8 in_ioa_bringdown:1;
1476 u8 ioa_unit_checked:1;
1477 u8 dump_taken:1;
1478 u8 scan_done:1;
1479 u8 needs_hard_reset:1;
1480 u8 dual_raid:1;
1481 u8 needs_warm_reset:1;
1482 u8 msi_received:1;
1483 u8 sis64:1;
1484 u8 dump_timeout:1;
1485 u8 cfg_locked:1;
1486 u8 clear_isr:1;
1487 u8 probe_done:1;
1488
1489 u8 revid;
1490
1491 /*
1492 * Bitmaps for SIS64 generated target values
1493 */
1494 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1495 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1496 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1497
1498 u16 type; /* CCIN of the card */
1499
1500 u8 log_level;
1501 #define IPR_MAX_LOG_LEVEL 4
1502 #define IPR_DEFAULT_LOG_LEVEL 2
1503
1504 #define IPR_NUM_TRACE_INDEX_BITS 8
1505 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1506 #define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1507 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1508 char trace_start[8];
1509 #define IPR_TRACE_START_LABEL "trace"
1510 struct ipr_trace_entry *trace;
1511 atomic_t trace_index;
1512
1513 char cfg_table_start[8];
1514 #define IPR_CFG_TBL_START "cfg"
1515 union {
1516 struct ipr_config_table *cfg_table;
1517 struct ipr_config_table64 *cfg_table64;
1518 } u;
1519 dma_addr_t cfg_table_dma;
1520 u32 cfg_table_size;
1521 u32 max_devs_supported;
1522
1523 char resource_table_label[8];
1524 #define IPR_RES_TABLE_LABEL "res_tbl"
1525 struct ipr_resource_entry *res_entries;
1526 struct list_head free_res_q;
1527 struct list_head used_res_q;
1528
1529 char ipr_hcam_label[8];
1530 #define IPR_HCAM_LABEL "hcams"
1531 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1532 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1533 struct list_head hostrcb_free_q;
1534 struct list_head hostrcb_pending_q;
1535
1536 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1537 u32 hrrq_num;
1538 atomic_t hrrq_index;
1539 u16 identify_hrrq_index;
1540
1541 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1542
1543 unsigned int transop_timeout;
1544 const struct ipr_chip_cfg_t *chip_cfg;
1545 const struct ipr_chip_t *ipr_chip;
1546
1547 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1548 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1549 void __iomem *ioa_mailbox;
1550 struct ipr_interrupts regs;
1551
1552 u16 saved_pcix_cmd_reg;
1553 u16 reset_retries;
1554
1555 u32 errors_logged;
1556 u32 doorbell;
1557
1558 struct Scsi_Host *host;
1559 struct pci_dev *pdev;
1560 struct ipr_sglist *ucode_sglist;
1561 u8 saved_mode_page_len;
1562
1563 struct work_struct work_q;
1564 struct workqueue_struct *reset_work_q;
1565
1566 wait_queue_head_t reset_wait_q;
1567 wait_queue_head_t msi_wait_q;
1568 wait_queue_head_t eeh_wait_q;
1569
1570 struct ipr_dump *dump;
1571 enum ipr_sdt_state sdt_state;
1572
1573 struct ipr_misc_cbs *vpd_cbs;
1574 dma_addr_t vpd_cbs_dma;
1575
1576 struct dma_pool *ipr_cmd_pool;
1577
1578 struct ipr_cmnd *reset_cmd;
1579 int (*reset) (struct ipr_cmnd *);
1580
1581 struct ata_host ata_host;
1582 char ipr_cmd_label[8];
1583 #define IPR_CMD_LABEL "ipr_cmd"
1584 u32 max_cmds;
1585 struct ipr_cmnd **ipr_cmnd_list;
1586 dma_addr_t *ipr_cmnd_list_dma;
1587
1588 u16 intr_flag;
1589 unsigned int nvectors;
1590
1591 struct {
1592 unsigned short vec;
1593 char desc[22];
1594 } vectors_info[IPR_MAX_MSIX_VECTORS];
1595
1596 u32 iopoll_weight;
1597
1598 }; /* struct ipr_ioa_cfg */
1599
1600 struct ipr_cmnd {
1601 struct ipr_ioarcb ioarcb;
1602 union {
1603 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1604 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1605 struct ipr_ata64_ioadl ata_ioadl;
1606 } i;
1607 union {
1608 struct ipr_ioasa ioasa;
1609 struct ipr_ioasa64 ioasa64;
1610 } s;
1611 struct list_head queue;
1612 struct scsi_cmnd *scsi_cmd;
1613 struct ata_queued_cmd *qc;
1614 struct completion completion;
1615 struct timer_list timer;
1616 struct work_struct work;
1617 void (*fast_done) (struct ipr_cmnd *);
1618 void (*done) (struct ipr_cmnd *);
1619 int (*job_step) (struct ipr_cmnd *);
1620 int (*job_step_failed) (struct ipr_cmnd *);
1621 u16 cmd_index;
1622 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1623 dma_addr_t sense_buffer_dma;
1624 unsigned short dma_use_sg;
1625 dma_addr_t dma_addr;
1626 struct ipr_cmnd *sibling;
1627 union {
1628 enum ipr_shutdown_type shutdown_type;
1629 struct ipr_hostrcb *hostrcb;
1630 unsigned long time_left;
1631 unsigned long scratch;
1632 struct ipr_resource_entry *res;
1633 struct scsi_device *sdev;
1634 } u;
1635
1636 struct completion *eh_comp;
1637 struct ipr_hrr_queue *hrrq;
1638 struct ipr_ioa_cfg *ioa_cfg;
1639 };
1640
1641 struct ipr_ses_table_entry {
1642 char product_id[17];
1643 char compare_product_id_byte[17];
1644 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1645 };
1646
1647 struct ipr_dump_header {
1648 u32 eye_catcher;
1649 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1650 u32 len;
1651 u32 num_entries;
1652 u32 first_entry_offset;
1653 u32 status;
1654 #define IPR_DUMP_STATUS_SUCCESS 0
1655 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1656 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1657 u32 os;
1658 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1659 u32 driver_name;
1660 #define IPR_DUMP_DRIVER_NAME 0x49505232
1661 }__attribute__((packed, aligned (4)));
1662
1663 struct ipr_dump_entry_header {
1664 u32 eye_catcher;
1665 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1666 u32 len;
1667 u32 num_elems;
1668 u32 offset;
1669 u32 data_type;
1670 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1671 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1672 u32 id;
1673 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1674 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1675 #define IPR_DUMP_TRACE_ID 0x54524143
1676 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1677 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1678 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1679 #define IPR_DUMP_PEND_OPS 0x414F5053
1680 u32 status;
1681 }__attribute__((packed, aligned (4)));
1682
1683 struct ipr_dump_location_entry {
1684 struct ipr_dump_entry_header hdr;
1685 u8 location[20];
1686 }__attribute__((packed));
1687
1688 struct ipr_dump_trace_entry {
1689 struct ipr_dump_entry_header hdr;
1690 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1691 }__attribute__((packed, aligned (4)));
1692
1693 struct ipr_dump_version_entry {
1694 struct ipr_dump_entry_header hdr;
1695 u8 version[sizeof(IPR_DRIVER_VERSION)];
1696 };
1697
1698 struct ipr_dump_ioa_type_entry {
1699 struct ipr_dump_entry_header hdr;
1700 u32 type;
1701 u32 fw_version;
1702 };
1703
1704 struct ipr_driver_dump {
1705 struct ipr_dump_header hdr;
1706 struct ipr_dump_version_entry version_entry;
1707 struct ipr_dump_location_entry location_entry;
1708 struct ipr_dump_ioa_type_entry ioa_type_entry;
1709 struct ipr_dump_trace_entry trace_entry;
1710 }__attribute__((packed));
1711
1712 struct ipr_ioa_dump {
1713 struct ipr_dump_entry_header hdr;
1714 struct ipr_sdt sdt;
1715 __be32 **ioa_data;
1716 u32 reserved;
1717 u32 next_page_index;
1718 u32 page_offset;
1719 u32 format;
1720 }__attribute__((packed, aligned (4)));
1721
1722 struct ipr_dump {
1723 struct kref kref;
1724 struct ipr_ioa_cfg *ioa_cfg;
1725 struct ipr_driver_dump driver_dump;
1726 struct ipr_ioa_dump ioa_dump;
1727 };
1728
1729 struct ipr_error_table_t {
1730 u32 ioasc;
1731 int log_ioasa;
1732 int log_hcam;
1733 char *error;
1734 };
1735
1736 struct ipr_software_inq_lid_info {
1737 __be32 load_id;
1738 __be32 timestamp[3];
1739 }__attribute__((packed, aligned (4)));
1740
1741 struct ipr_ucode_image_header {
1742 __be32 header_length;
1743 __be32 lid_table_offset;
1744 u8 major_release;
1745 u8 card_type;
1746 u8 minor_release[2];
1747 u8 reserved[20];
1748 char eyecatcher[16];
1749 __be32 num_lids;
1750 struct ipr_software_inq_lid_info lid[1];
1751 }__attribute__((packed, aligned (4)));
1752
1753 /*
1754 * Macros
1755 */
1756 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1757
1758 #ifdef CONFIG_SCSI_IPR_TRACE
1759 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1760 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1761 #else
1762 #define ipr_create_trace_file(kobj, attr) 0
1763 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1764 #endif
1765
1766 #ifdef CONFIG_SCSI_IPR_DUMP
1767 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1768 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1769 #else
1770 #define ipr_create_dump_file(kobj, attr) 0
1771 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1772 #endif
1773
1774 /*
1775 * Error logging macros
1776 */
1777 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1778 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1779 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1780
1781 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1782 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1783 bus, target, lun, ##__VA_ARGS__)
1784
1785 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1786 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1787
1788 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1789 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1790 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1791
1792 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1793 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1794
1795 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1796 { \
1797 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1798 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1799 } else { \
1800 ipr_err(fmt": %d:%d:%d:%d\n", \
1801 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1802 (res).bus, (res).target, (res).lun); \
1803 } \
1804 }
1805
1806 #define ipr_hcam_err(hostrcb, fmt, ...) \
1807 { \
1808 if (ipr_is_device(hostrcb)) { \
1809 if ((hostrcb)->ioa_cfg->sis64) { \
1810 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1811 ipr_format_res_path(hostrcb->ioa_cfg, \
1812 hostrcb->hcam.u.error64.fd_res_path, \
1813 hostrcb->rp_buffer, \
1814 sizeof(hostrcb->rp_buffer)), \
1815 __VA_ARGS__); \
1816 } else { \
1817 ipr_ra_err((hostrcb)->ioa_cfg, \
1818 (hostrcb)->hcam.u.error.fd_res_addr, \
1819 fmt, __VA_ARGS__); \
1820 } \
1821 } else { \
1822 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1823 } \
1824 }
1825
1826 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1827 __FILE__, __func__, __LINE__)
1828
1829 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1830 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1831
1832 #define ipr_err_separator \
1833 ipr_err("----------------------------------------------------------\n")
1834
1835
1836 /*
1837 * Inlines
1838 */
1839
1840 /**
1841 * ipr_is_ioa_resource - Determine if a resource is the IOA
1842 * @res: resource entry struct
1843 *
1844 * Return value:
1845 * 1 if IOA / 0 if not IOA
1846 **/
1847 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1848 {
1849 return res->type == IPR_RES_TYPE_IOAFP;
1850 }
1851
1852 /**
1853 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1854 * @res: resource entry struct
1855 *
1856 * Return value:
1857 * 1 if AF DASD / 0 if not AF DASD
1858 **/
1859 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1860 {
1861 return res->type == IPR_RES_TYPE_AF_DASD ||
1862 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1863 }
1864
1865 /**
1866 * ipr_is_vset_device - Determine if a resource is a VSET
1867 * @res: resource entry struct
1868 *
1869 * Return value:
1870 * 1 if VSET / 0 if not VSET
1871 **/
1872 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1873 {
1874 return res->type == IPR_RES_TYPE_VOLUME_SET;
1875 }
1876
1877 /**
1878 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1879 * @res: resource entry struct
1880 *
1881 * Return value:
1882 * 1 if GSCSI / 0 if not GSCSI
1883 **/
1884 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1885 {
1886 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1887 }
1888
1889 /**
1890 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1891 * @res: resource entry struct
1892 *
1893 * Return value:
1894 * 1 if SCSI disk / 0 if not SCSI disk
1895 **/
1896 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1897 {
1898 if (ipr_is_af_dasd_device(res) ||
1899 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1900 return 1;
1901 else
1902 return 0;
1903 }
1904
1905 /**
1906 * ipr_is_gata - Determine if a resource is a generic ATA resource
1907 * @res: resource entry struct
1908 *
1909 * Return value:
1910 * 1 if GATA / 0 if not GATA
1911 **/
1912 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1913 {
1914 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1915 }
1916
1917 /**
1918 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1919 * @res: resource entry struct
1920 *
1921 * Return value:
1922 * 1 if NACA queueing model / 0 if not NACA queueing model
1923 **/
1924 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1925 {
1926 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1927 return 1;
1928 return 0;
1929 }
1930
1931 /**
1932 * ipr_is_device - Determine if the hostrcb structure is related to a device
1933 * @hostrcb: host resource control blocks struct
1934 *
1935 * Return value:
1936 * 1 if AF / 0 if not AF
1937 **/
1938 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1939 {
1940 struct ipr_res_addr *res_addr;
1941 u8 *res_path;
1942
1943 if (hostrcb->ioa_cfg->sis64) {
1944 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1945 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1946 res_path[0] == 0x81) && res_path[2] != 0xFF)
1947 return 1;
1948 } else {
1949 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1950
1951 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1952 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1953 return 1;
1954 }
1955 return 0;
1956 }
1957
1958 /**
1959 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1960 * @sdt_word: SDT address
1961 *
1962 * Return value:
1963 * 1 if format 2 / 0 if not
1964 **/
1965 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1966 {
1967 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1968
1969 switch (bar_sel) {
1970 case IPR_SDT_FMT2_BAR0_SEL:
1971 case IPR_SDT_FMT2_BAR1_SEL:
1972 case IPR_SDT_FMT2_BAR2_SEL:
1973 case IPR_SDT_FMT2_BAR3_SEL:
1974 case IPR_SDT_FMT2_BAR4_SEL:
1975 case IPR_SDT_FMT2_BAR5_SEL:
1976 case IPR_SDT_FMT2_EXP_ROM_SEL:
1977 return 1;
1978 };
1979
1980 return 0;
1981 }
1982
1983 #ifndef writeq
1984 static inline void writeq(u64 val, void __iomem *addr)
1985 {
1986 writel(((u32) (val >> 32)), addr);
1987 writel(((u32) (val)), (addr + 4));
1988 }
1989 #endif
1990
1991 #endif /* _IPR_H */
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